CN220531617U

CN220531617U - Polyurethane reaction device convenient to drawing of patterns

Info

Publication number: CN220531617U
Application number: CN202322091745.0U
Authority: CN
Inventors: 周娜; 王熙轲; 龚晓武; 王自军; 王凡; 贾鑫
Original assignee: Shihezi University
Current assignee: Shihezi University
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-02-27
Anticipated expiration: 2033-08-04

Abstract

The utility model provides a polyurethane reaction device convenient for demolding, which comprises a stirring mechanism, wherein one side of the stirring mechanism is provided with a reaction die, the reaction die comprises two oppositely arranged die frames, the top of one die frame is provided with a stirring preformed hole of the stirring mechanism, the two die frames are connected in a coupling way, the two die frames are provided with a covering mechanism, the covering mechanism is used for enabling the two die frames to be mutually coupled or far away from each other, and the covering mechanism is provided with a locking mechanism; the reaction device can be used for rapidly demolding and ensuring thorough demolding.

Description

Polyurethane reaction device convenient to drawing of patterns

Technical Field

The utility model belongs to the technical field of reaction devices, and particularly relates to a polyurethane reaction device convenient for demolding.

Background

The polyurethane reaction device is commonly used in experiments, and is usually characterized in that various chemical substances such as polyol or ether and polyisocyanate are mixed in a container tool device according to a certain proportion, the mixture is uniformly stirred by a stirrer, and finally the container tool device is far away from the stirrer to generate natural chemical reaction, so that the aim of the experiments is achieved.

Disclosure of Invention

The polyurethane reaction device convenient for demoulding can be used for rapidly demoulding and ensuring thorough demoulding, and the specific scheme is as follows:

the utility model provides a polyurethane reaction unit convenient to drawing of patterns, includes rabbling mechanism, rabbling mechanism one side is equipped with reaction mould, reaction mould includes two mould frames that set up relatively, and one of them mould frame top has seted up a rabbling mechanism stirring preformed hole, two mould frame coupling connection, two be equipped with on the mould frame and close the mechanism, it is used for making two mould frames intercoupling or keep away from each other to close the mechanism, it is equipped with locking mechanism to close the mechanism.

Further, the cover mechanism comprises a connecting rod, a connecting rod seat and a shaft rod, wherein a group of connecting rod seats are arranged on the side faces of the two opposite sides of the die frame, connecting rods are arranged on the connecting rod seats in a rotating mode, and one side, far away from the die frame, of the connecting rod is arranged on the shaft rod in a rotating mode in a sleeved mode.

Further, the locking mechanism comprises a U-shaped locking block which is clamped on a connecting rod, a locking piece is vertically arranged on the locking block, a locking groove is formed in the locking piece, a threaded hole I is horizontally formed in the connecting rod which is connected with the clamping locking block, and a bolt I locks the two connecting rods through the matching of the locking groove I and the threaded hole I.

Further, a group of inverted T-shaped sliding grooves I are formed in two opposite sides of the die frame provided with the reserved holes vertically downwards, inverted T-shaped sliding blocks are arranged in the first sliding grooves, locking grooves II are formed in the sliding blocks, two connecting rod seats are fixedly connected with the two sliding blocks respectively, threaded holes corresponding to the locking grooves II are formed in the wall of the first sliding grooves, and the sliding blocks are locked by the aid of the matching of the locking grooves II and the threaded holes.

Further, two guide rod barrels are vertically arranged at four corners of the die frame, guide rods are arranged in the guide rod barrels opposite to each other, and the guide rods arranged at one side deviating from the reserved holes are detachably connected with the guide rod barrels.

Still further, reaction mould one side is equipped with the base, be equipped with a stand on the base perpendicularly, stand tip level is equipped with the horizontal pole, rabbling mechanism is including setting up the agitator motor in horizontal pole tip bottom surface, agitator motor output shaft has a (mixing) shaft, the relative both sides of (mixing) shaft bottom all are equipped with stirring vane.

Still further, rectangular shape spout two has been seted up to the vertical portion of stand, be equipped with the slide bar in the spout two, be equipped with the mounting panel on the slide bar, be equipped with driving motor on the mounting panel, the cover is equipped with the gear on the driving motor output shaft, be equipped with the rack on spout two one side, the rack meshes with the gear mutually, horizontal fixed connection of horizontal pole one end is on the slide bar tip.

The beneficial effects of the utility model are as follows:

according to the polyurethane reaction device convenient for demolding, the cover mechanism, the locking mechanism and the two oppositely arranged mold frames are arranged, when chemical substances such as polyol or ether and polyisocyanate are poured into the reaction mold according to the proportion, the stirring mechanism is used for uniformly mixing and stirring the chemical substances, then the stirring mechanism is far away from the mold frames, finally polymerization reaction is carried out to generate polyurethane, when demolding is carried out, the locking mechanism is released, then the two shafts are held by two hands to carry out relative movement, at the moment, the two mold frames can move in opposite directions, so that the demolding aim is achieved, and the problems of difficulty in demolding, incomplete demolding and the like of the polyurethane after the reaction is finished are solved; through setting up slide bar, driving motor, gear and rack, driving motor starts after the rabbling mechanism stirring is finished, and the gear rotates on the rack to drive the slide bar upward movement, and then make the (mixing) shaft keep away from the preformed hole, avoid moving reaction mould by manual work, labour saving and time saving.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of a partial structure of the present utility model.

Fig. 3 is a partially exploded view of fig. 2.

FIG. 4 is a schematic view of the stirring mechanism of the present utility model.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Fig. 6 is a schematic view of a capping mechanism according to the present utility model.

Fig. 7 is a schematic view of a locking mechanism according to the present utility model.

Wherein: stirring mechanism 1, stirring motor 101, stirring shaft 102, stirring blade 103, mold frame 2, preformed hole 3, covering mechanism 4, connecting rod 41, connecting rod seat 42, shaft rod 43, locking mechanism 5, locking block 51, locking piece 52, locking groove one 53, bolt one 54, slide block 6, locking groove two 7, bolt two 8, slide groove one 9, guide rod cylinder 10, guide rod 11, base 12, upright post 13, cross rod 14, slide rod 15, mounting plate 16, driving motor 17, gear 18, and rack 19.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-7, a polyurethane reaction device convenient for demolding, including rabbling mechanism 1, rabbling mechanism 1 one side is equipped with reaction mould, reaction mould includes two mould frames 2 of relative setting, one of them mould frame 2 top has seted up rabbling mechanism 1 stirring preformed hole 3, two mould frames 2 coupling connection, one mould frame 2 top is equipped with the fixture block, the draw-in groove that is suitable for the fixture block has been seted up to another mould frame 2 bottom, realize seamless connection, be equipped with on two mould frames 2 and close mechanism 4, it is used for making two mould frames 2 intercoupling or keep away from each other to close mechanism 4, be convenient for polyurethane reaction back drawing of patterns processing, be equipped with locking mechanism 5 on closing mechanism 4, locking mechanism 5 is used for guaranteeing the stability of two mould frames 2 when polyurethane in the reaction process.

The cover mechanism 4 comprises a connecting rod 41, a connecting rod seat 42 and a shaft rod 43, wherein a group of connecting rod seats 42 are arranged on the side surfaces of two opposite sides of the two die frames 2, shaft holes are formed in two ends of the connecting rod 41, the connecting rod 41 is rotationally arranged on the connecting rod seats 42, the connecting rod seats 42 are of a U-shaped structure, shaft hole rods suitable for shaft hole sleeving are arranged between two side walls, one side of the connecting rod 41, far away from the die frames 2, is rotationally sleeved on the shaft rod 43, the other shaft hole of the connecting rod 41 is alternately sleeved on the shaft rod 43, and when the die is used for demolding, two hands respectively hold the shaft rods 43 on two sides of the die frames 2 and do extrusion actions in opposite directions, so that the demolding effect can be realized.

The locking mechanism 5 comprises a U-shaped locking block 51 which is clamped on a connecting rod 41, the locking block 51 is transversely clamped on the connecting rod 41, a locking piece 52 is vertically arranged on the locking block 51, a locking groove I53 is formed in the locking piece 52, a threaded hole I is horizontally formed in the connecting rod 41 which is connected with the locking block 51, a bolt I54 locks the two connecting rods 41 through the matching of the locking groove I53 and the threaded hole I, when the locking mechanism is used, the locking block 51 is transversely clamped on the connecting rod 41, then the bolt I54 is screwed into the threaded hole I through the locking groove I53 until the locking piece 52 is locked, and the bolt I54 is taken down when the locking mechanism is demoulded.

The two opposite sides of the die frame 2 provided with the preformed hole 3 are vertically and downwards provided with a group of inverted T-shaped sliding grooves I9, inverted T-shaped sliding blocks 6 are arranged in the sliding grooves I9, locking grooves II 7 are formed in the sliding blocks 6, two connecting rod seats 42 are fixedly connected with the two sliding blocks 6 respectively, threaded holes corresponding to the locking grooves II 7 are formed in the wall of the sliding grooves I9, the sliding blocks 6 are locked by one bolt II 8 through the matching of the locking grooves II 7 and the threaded holes, the angle between the two connecting rods 41 is convenient to adjust due to the arrangement of the sliding grooves I9 of the sliding blocks 6, and labor is saved during demolding.

Guide rod barrels 10 are vertically arranged at four corners of the two die frames 2, guide rods 11 are arranged in the guide rod barrels 10 which are opposite to each other in pairs, the guide rods 11 arranged on one side deviating from the reserved holes 3 are detachably connected with the guide rod barrels 10, and the guide rod barrels 10 and the guide rods 11 are convenient to be arranged in a labor-saving mode when the die frames 2 are in demolding or are covered.

The reaction die is provided with a base 12 on one side, a stand column 13 is vertically arranged on the base 12, a cross rod 14 is horizontally arranged at the end part of the stand column 13, the stirring mechanism 1 comprises a stirring motor 101 arranged on the bottom surface of the end part of the cross rod 14, an output shaft of the stirring motor 101 is connected with a stirring shaft 102, stirring blades 103 are respectively arranged on two opposite sides of the bottom end of the stirring shaft 102, and when the reaction die is used, the stirring motor 101 is started to stir the reaction die.

The vertical portion of stand 13 has seted up rectangular shape spout two, be equipped with slide bar 15 in the spout two, be equipped with mounting panel 16 on the slide bar 15, be equipped with driving motor 17 on the mounting panel 16, the cover is equipped with gear 18 on the driving motor 17 output shaft, be equipped with rack 19 on spout two sides, rack 19 meshes with gear 18 mutually, horizontal pole 14 one end level fixed connection is on slide bar 15 tip, when stirring and using, start driving motor 17, slide bar 15 moves along its direction of height, close driving motor 17 when stirring vane 103 is close to the reaction mould bottom surface, start driving motor 17 once more after the stirring, make stirring vane 103 bottom keep away from preformed hole 3 bottom can, close driving motor 17, and then avoided manual handling reaction mould or rabbling mechanism 1 around the polyurethane reaction, reach labour saving and time saving effect.

Working principle: firstly, pouring reactant mixed liquid into a reaction mold, then starting a driving motor 17 to enable the bottom end of a stirring blade 103 to be close to the bottom surface of the reaction mold, stopping the driving motor 17 to work, starting a stirring motor 101 to enable the stirring blade to uniformly stir the mixed liquid, starting the driving motor 17 after stirring is finished, enabling the stirring blade 103 to be far away from the top of a preformed hole 3, screwing a first bolt 54 out of the first threaded hole, respectively holding shaft rods 43 on two sides of a mold frame 2 by two hands, and performing extrusion actions in opposite directions, thereby realizing demolding effect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Polyurethane reaction unit convenient to drawing of patterns, its characterized in that: including rabbling mechanism (1), rabbling mechanism (1) one side is equipped with reaction mould, reaction mould includes mould frame (2) of two relative settings, and one of them mould frame (2) top has been seted up one rabbling mechanism stirring preformed hole (3), two mould frame (2) coupling connection, two be equipped with on mould frame (2) and close mechanism (4), it is used for making two mould frames (2) intercoupling or keep away from each other to close mechanism (4), be equipped with locking mechanism (5) on closing mechanism (4).

2. A polyurethane reaction apparatus for facilitating demolding as claimed in claim 1, wherein: the cover mechanism (4) comprises a connecting rod (41), a connecting rod seat (42) and a shaft rod (43), wherein a group of connecting rod seats (42) are respectively arranged on the side surfaces of two opposite sides of the die frame (2), the connecting rod (41) is respectively rotatably arranged on the connecting rod seats (42), and one side, far away from the die frame (2), of the connecting rod (41) is respectively rotatably sleeved on the shaft rod (43).

3. A polyurethane reaction apparatus for facilitating demolding as claimed in claim 2, wherein: the locking mechanism (5) comprises a U-shaped locking block (51) which is clamped on a connecting rod (41), a locking piece (52) is vertically arranged on the locking block (51), a first locking groove (53) is formed in the locking piece (52), a first threaded hole is horizontally formed in the connecting rod (41) which is connected with the clamping block (51), and a first bolt (54) locks the two connecting rods (41) through the matching of the first locking groove (53) and the first threaded hole.

4. A polyurethane reaction apparatus for facilitating demolding as claimed in claim 2, wherein: a group of inverted T-shaped sliding grooves I (9) are formed in the opposite two sides of the die frame (2) provided with the reserved holes (3) vertically downwards, inverted T-shaped sliding blocks (6) are arranged in the sliding grooves I (9), locking grooves II (7) are formed in the sliding blocks (6), two connecting rod seats (42) are fixedly connected with the two sliding blocks (6) respectively, threaded holes corresponding to the locking grooves II (7) are formed in the wall of the sliding grooves I (9), and a bolt II (8) locks the sliding blocks (6) through the matching of the locking grooves II (7) and the threaded holes.

5. A polyurethane reaction apparatus for facilitating demolding as claimed in claim 1, wherein: guide rod cylinders (10) are vertically arranged at four corners of the two die frames (2), guide rods (11) are arranged in the guide rod cylinders (10) opposite to each other, and the guide rods (11) arranged at one side deviating from the preformed holes (3) are detachably connected with the guide rod cylinders (10) of the die frames.

6. A polyurethane reaction apparatus for facilitating demolding as claimed in claim 1, wherein: the reaction die is characterized in that a base (12) is arranged on one side of the reaction die, a stand column (13) is vertically arranged on the base (12), a cross rod (14) is horizontally arranged at the end part of the stand column (13), the stirring mechanism (1) comprises a stirring motor (101) arranged on the bottom surface of the end part of the cross rod (14), an output shaft of the stirring motor (101) is connected with a stirring shaft (102), and stirring blades (103) are arranged on two opposite sides of the bottom end of the stirring shaft (102).

7. The polyurethane reaction apparatus for facilitating demolding as claimed in claim 6, wherein: the vertical portion of stand (13) has seted up rectangular shape spout two, be equipped with slide bar (15) in the spout two, be equipped with mounting panel (16) on slide bar (15), be equipped with driving motor (17) on mounting panel (16), the cover is equipped with gear (18) on driving motor (17) output shaft, be equipped with rack (19) on spout two one side, rack (19) meshes with gear (18), horizontal fixed connection of horizontal pole (14) one end is on slide bar (15) tip.